# hey guys, i follow you up to the point of intergrating the final line. How would I intergrate [x^-2.e^-x] dx thx

49,088 questions, page 239
1. ## Calculus

Find an equation of the plane. The plane that passes through (8, 0, −2)and contains the line x = 6 − 2t, y = 3 + 5t, z = 3 + 2t

asked by Jessica on January 31, 2014

name three solutions of inequality. then graph the inequality on a number line. k

asked by casey on March 16, 2011
3. ## math

If is a line whose equation is y = 2x- 1, find the equation of the image of under each of the following translations:(x, y) S (x +3, y)

asked by Rebecca on February 27, 2010
4. ## Mathematics

A straight T passes through p(5,8) and Q(1,5) find the equation of straight line T

asked by Melchizedek on March 9, 2018
5. ## Math

Find the equation of the line through (-8, 9) with x-intercept trice the y-intercept.

asked by alexis on July 7, 2016
6. ## college

How do i find the slope of the line containing the pair of points (5,4) and (7,-10)slope m= what

asked by kim on May 23, 2010
7. ## geometry

What is a quadrilateral that has a line of symmetry but no rotational symmetry? Would that be trapezoid?

asked by Rmz on January 29, 2010
8. ## alg

Write an equation of a line whose graph is parallel to the graph of y = 3x – 10.

asked by emi on December 20, 2013
9. ## Geometry

the vertices of a triangle are p(-7, -4) Q(-7 -8 and r3, -3. name the vertices of the image reflected across the line y=x?

asked by PLEASSS HELPP on November 5, 2018
10. ## Math

What does the line y = -3x - 3 look like? horizontal vertical slanted right upwards slanted right downwards

asked by Estella on December 4, 2012
11. ## math

use the concept of slope to explain whether the three points A(3,1), B(-2,2), and C(-4,4) can all be points on the same line. thanks =)

asked by maya on April 22, 2009
12. ## Math

A line segment that is 2 4/8 inches long, how many half inches is it?

asked by elias on February 10, 2010
13. ## geometry

the vertices of a triangle are p(-7 -4),q(-7,-8),and r(3,-3).Name the vertices of the image reflected across the line y=x. help!!

asked by tj on October 5, 2015
14. ## Math

find the other endpoint of a line segment with the given midpoint and one endpoint 0,0 and 4,-2

asked by Stacey on February 13, 2011
15. ## math

If is a line whose equation is y - 2x- 1, find the equation of the image of under each of the following translations:(x, y) S (x +3, y)

asked by Rebecca on February 27, 2010
16. ## Geometry

A circle with the equation (x + 3)2 + (y - 2)2 = 25 is reflected over the line x = 2. What is the equation of the image?

asked by Ryan on January 18, 2012
17. ## math

which equation is the equation of a line that passes through (-10 3) and is perpendicular to y=5x-7 y=5x+53 y=-1/5x-7 y=-1/5x+1 y=1/5x+5 pls help? thanks

asked by SkatingDJ on January 13, 2015
18. ## math

Find the slope and y-intercept of the line in the given equation. equation: y=6/7x-4

asked by unknown on December 17, 2010
19. ## Math

Consider the function f(x)=7x^(2)+9. Its tangent line at x=5 goes through the points (1,y1) and (−7,y2) where y1= ___ , and y2= ___

asked by Kyle on February 3, 2016

I'm confused and am hoping someone could help me understand energy can neither be created nor destroyed... great... so in physics classes we can set up problems and stuff were KEo + PEo = KE + PE Energy intial equals energy final sense energy is conserved

asked by Physics on October 19, 2009
21. ## Scolae?

hey does anyone know where i can find some information abt Athenian Scolae bc ive looked online but nothing seems to come up? and i need some info quick Scolae seems to be a word from which we get our word "school" -- but you're right; there's almost

asked by jia on December 9, 2006
22. ## Language Arts

help guys plzzz :) How could the following sentence be correctly rewritten to have an appositive phrase? Stacey is an outgoing girl who enjoys acting in school plays. A. Stacey, an outgoing girl, enjoys acting in school plays. B. Stacey is an outgoing

asked by Agent_KING#1 on March 20, 2019
23. ## Physics URGENT!!!

A wheel has a radius of 3.5 m. How far (path length) does a point on the circumference travel if the wheel is rotated through an angle of 71.0°? B) A wheel has a radius of 3.5 m. How far (path length) does a point on the circumference travel if the wheel

asked by Anonymous on October 26, 2012
24. ## Math

I need help with these following questions: 1. Which type of graph is best to illustrate differences in data by using bars to represent the data? (a) bar graph (b) line graph (c) circle graph (d) pictorial graph 2. Sales made last year by Murray's

asked by Anonymous on September 20, 2011
25. ## Science help (Plz help!!! 20-point quiz tomorrow!!

I have three questions that I could not find in my book, even though they are probably there. Plz help, I have to do well on this quiz, or I'm dead!!! 1) What two forces are at work in a nebula that is not creating a star? 2)What happens to the rocks in

asked by Emily on January 29, 2007
26. ## physics

Canadian snowbirds usually follow the I-15 at a speed of about 120 kilometers per hour. Canadian geese, on the other hand, migrate approximately along a north-south direction for well over a thousand kilometers in some cases, traveling at speeds up to

asked by tom on February 8, 2016
27. ## physics

Canadian snowbirds usually follow the I-15 at a speed of about 120 kilometers per hour. Canadian geese, on the other hand, migrate approximately along a north-south direction for well over a thousand kilometers in some cases, traveling at speeds up to

asked by Kristina on February 9, 2016
28. ## physics

Canadian snowbirds usually follow the I-15 at a speed of about 120 kilometers per hour. Canadian geese, on the other hand, migrate approximately along a north-south direction for well over a thousand kilometers in some cases, traveling at speeds up to

asked by tom on February 8, 2016
29. ## Algebra

Correct me if I'm wrong please 1. Tell whether the lines for each pair of equations are parallel, perpendicular, or neither. y = –2x + 4 –5x + 10y = 5 (1 point) A.parallel B.perpendicular * C.neither 2. Tell whether the lines for each pair of equations

asked by GummyBears on December 2, 2015
30. ## Langague Arts 8th Grade

3. What does Johnny’s mastery of riding Goblin show about his character? (1 point) He is rash and quick-tempered. He is brave and determined. He is immature and selfish. He is arrogant and proud. 4. Which of the following statements most accurately

asked by Tina on January 4, 2015

1, Which of the following is NOT something a group should do when it plans a collaborative writing project? A. Divide the work ahead of time according to how the leader thinks it will best be done B. Make your analysis of the problem, the audience, and

asked by Sarah on July 29, 2012
32. ## History! Check my answers

Question #5: What was Oran Roberts' plan to fix the government? A. Control big business B. Create more industry. C. Follow strict fiscal conservatism. D. Open ports for trade. Question #6: How did railroads influence the agriculture in Texas? Select all

asked by Plz help Ms. Sue on March 14, 2018
33. ## physics

During winter break, the police department in your hometown asks you to consult in the investigation of a traffic accident that occurred in a large parking lot. It seems that a car was backing out of a parking space when a pickup truck plowed straight into

asked by Alec on November 26, 2012
34. ## English

Everything is perfect. I just have to vary point 1. I included a further point for you to check. Thank you very much. I think we have to vary some of the sentences. 1) Involvement of the classes of the participating students (Only 10 students belonging to

asked by Henry2 on February 5, 2012
35. ## Physics- Optics

A double lens system is made of +35.0 cm lens (lens #1) and a - 26.0 cm lens (lens #2). Lens #1 is placed at x = 0 cm on a meter stick and lens #2 is placed at x = 30.0 cm. Where on the meter stick will the final image be formed when looking at a distant

asked by B on April 5, 2016
36. ## Physics

A double lens system is made of +35.0 cm lens (lens #1) and a - 26.0 cm lens (lens #2). Lens #1 is placed at x = 0 cm on a meter stick and lens #2 is placed at x = 30.0 cm. Where on the meter stick will the final image be formed when looking at a distant

asked by A on March 29, 2016
37. ## Phys-Lens Question

A double lens system is made of +35.0 cm lens (lens #1) and a - 26.0 cm lens (lens #2). Lens #1 is placed at x = 0 cm on a meter stick and lens #2 is placed at x = 30.0 cm. Where on the meter stick will the final image be formed when looking at a distant

asked by A on March 30, 2016
38. ## college algebra

Question 638522: Graph the following function using transformations. Be sure to graph all of the stages on one graph. State the domain and range. For example, if you were asked to graph y= x^2+ 1 using transformations, you would show the graph of y = x^2

asked by beatrize on December 11, 2012
39. ## Science~

asked by Marie on October 8, 2013
40. ## Chemistry

The specific heat capacity of solid lead is 0.159J/g°C, the molar enthalpy of fusion is 5.0kJ/mol, and the melting point of lead is 328°C. Calculate the total energy required to change 100g of lead at 25°C to molten lead at it's melting point. I will be

asked by J.M. on September 23, 2006
41. ## Physics

An ice skater, has a rotational inertia of I = 4 kg m2, and spins at 2 rad/sec. She then changes her rotational inertia to 2 kg m2. What is her final angular velocity? a. 4 rad/s b. 2 rad/s c. 2.8 rad/s d. 8 rad/s The answer must be A then right.

asked by David on April 30, 2009
42. ## Footnotes

Are footnotes usually a smaller font size than the rest of a paper? My paper itself is in a 12 point font size. Should the footnotes be of a smaller point size?

asked by Anonymous on December 7, 2008
43. ## physics

Suppose a 1800-kg car passes over a bump in a roadway that follows the arc of a circle of radius 18.4 m as in the figure shown below. (a) What force does the road exert on the car as the car passes the highest point of the bump if the car travels at 9.24

asked by mary on March 27, 2016
44. ## Maths lit grade 11

The registration fees for athletes in the different categories are as follow. Children: 10 - 14 =r 15,00 youth : 15 - 18 =r 20,00 adults : 19 years and older= r 30,00 distances: 1 yard= o,9140 1 mile= 1760 yards volume: 1 c= 0,264 us gallons time: 100

asked by Getty on April 28, 2016
45. ## English

Thank you very much!! I’m including the last data. My next post will consist mainly of long lists of things. I checked the spelling myself. Could you please check if the words are appropriate? Thank you. - Natural parks as partners will become aware of

asked by Henry2 on February 9, 2012
46. ## Statistics 250

Final averages are typically approximately normally distributed with a mean of 65 and a standard deviation of 8. Your professor says that the top 10% of the class will receive an A; the next 20%, a B; the next 41%, a C; the next 19%, a D; and the bottom

asked by Alica on March 18, 2010
47. ## Physics

A puck of mass 0.03 kg slides across rough ice, experiencing a frictional force of 0.2 N. If it was moving at 36 m/s when I hit the ice patch, A) How long did it take to stop? B) What was the length of the ice patch? I know I have initial velocity, mass

asked by Cali on October 24, 2015
48. ## chemistry

A fixed amount of oxygen gas is held in a .500 L tank at a pressure of 4.68 atm. The tank is connected to an empty 1.50 L tank by a tube with a valve. After this valve has been opened and the oxygen is allowed to flow freely between the two tanks at a

asked by Brianna on March 23, 2017
49. ## chemistry

A solution is prepared by dissolving 20.2 {\rm mL} of methanol ({\rm{CH}}_3 {\rm{OH}}) in 100.0 {\rm mL} of water at 25 ^\circ {\rm C}. The final volume of the solution is 118 {\rm mL}. The densities of methanol and water at this temperature are 0.782 {\rm

asked by aa on July 14, 2012
50. ## Chemistry

A fixed amount of oxygen gas is held in a .500 L tank at a pressure of 4.09 atm. The tank is connected to an empty 1.50 L tank by a tube with a valve. After this valve has been opened and the oxygen is allowed to flow freely between the two tanks at a

asked by robert on March 25, 2017
51. ## physics

Two blocks move along a linear path on a nearly frictionless air track. One block, of mass 0.104 kg, initially moves to the right at a speed of 4.70 m/s, while the second block, of mass 0.208 kg, is initially to the left of the first block and moving to

asked by Anthony on November 29, 2012

A 5.00 kg ball (ball 1), moving to the right at a velocity of +4.00 m/s on a frictionless table, collides head-on with a stationary 7.60 kg ball (ball 2). Find the final velocities of the balls if the collision is as specified below. (a) elastic collision

asked by joshua on November 7, 2010
53. ## Physics

Two blocks move along a linear path on a nearly frictionless air track. One block, of mass 0.120 kg, initially moves to the right at a speed of 4.90 m/s, while the second block, of mass 0.240 kg, is initially to the left of the first block and moving to

asked by Pat on October 18, 2012
54. ## finance (saving for $1,000,000) At age 5, how much would you have to save per month to have$1 million in your account at age 65, if your investment rate was 10% per year? Assume no taxes and compounding on a monthly basis. I use my TI-83..... N=(65-5)*12 I%=10%/12 PV=0 PMT=0

asked by Jason on July 25, 2008
55. ## Pre Cal long problem( Can I see the work on this)

A stuffed animal dealer tells you that a fish he bought for $8 four years ago is now worth$200 follow the steps below to find the effective yield for this investment. Begin with the equation 8(1+r) ^4=200.Solve for (1+r) ^4 Take the common logarithm of

asked by Brittany on March 18, 2008
56. ## economics

Q: The market demand and supply curves for an agricultural product are as follows: Qd = 4500-250P and Qs = 200p where quantities are in thousands of bushels per annum and price is in dollars per bushel. the government wishes to acheive a higher point on

asked by ratboy on October 14, 2006
57. ## Physics

Please help me! 1)1. Two charged point bodies are placed into the opposite on diagonal vertices of a rectangular with sides of 6 and 8 cm in vacuum – Q1=3.2x10-11 C; Q2=-4.267x10-11 C. Calculate the electric field intensity at two other vertices of the

asked by Electricity on May 26, 2014
58. ## math Study guide updated answers check

1. The table shows the results of spinning a four-colored spinner 50 times. Find the experimental probability and express it as a decimal. P(not red) = ? red | blue | green | yellow ---------------------------------------- 20 | 10 | 9 | 11 (1 point) a 0.6

asked by DragonBornFU5R0D48 on June 6, 2014
59. ## MATH

1. The table shows the results of spinning a four-colored spinner 50 times. Find the experimental probability and express it as a decimal. P(not red) = ? red | blue | green | yellow ---------------------------------------- 20 | 10 | 9 | 11 (1 point) a 0.6

asked by Anonymous on June 7, 2014
60. ## Project Management

How does the responsibility matrix assist the project manager and resource managers to allocate resources to a project? Is this tool used by your Company? If so, is it effective? If not would it be effective if instituted? Why, what were/would be the

asked by Zeta on November 23, 2006
61. ## Physics

While playing a game of billiards, your 0.50 kg cue ball, travelling at 1.9 m/s, glances off a stationary 0.30 kg billiard ball so that the billiard ball moves off at 1.3 m/s at an angle of 32º clockwise from the cue ball’s original path. What is the

asked by Jong on June 23, 2013
62. ## Calculus

A baseball player hits a line drive to center field. He runs from second to third at 20 feet/sec. How fast is the distance from the runner to home plate changing when he is halfway to third base?

asked by Shawn on December 30, 2010
63. ## Chemistry

I know that Ununhexium is in period 7, group 16. What evidence would be able to support this? Here is a web site for an on-line periodic table. Look for Uun, element #116. That will give you the info you need. http://www.webelements.com/

asked by Gemma on February 6, 2007
64. ## english

A project design has been approved by management. The engineering team is about to start production of the new line. I want to be sure this process goes by smoothly. I need to come up with a communication plan to address successful development and delivery

asked by karen on August 2, 2010
65. ## english

what is being said in the following line:   “Foul devil, for God’s sake, hence, and trouble us not; For thou hast made the happy earth thy hell, Fill’s it with cursing cries and deep exclaims.”

asked by kim on January 15, 2010
66. ## english

in line 16of "The Nymph's reply to the shepherd" in what ways does the speaker's word choice reveal a striking balance of opposite to illustrate the theme of the harmful effects of time?

asked by sierra on September 16, 2015
67. ## computer

You suspect that the failure of a router or of a transmission line connecting routers has left some of your important servers unavailable to clients at your site. How could you narrow down the location of the problem using what you learned in this chapter?

asked by mike on April 30, 2014
68. ## German

Hi ! Can somebody help me to summarise( about 4 line each) Franz Kafkas Erzählungen? ( in german please!!!) 1.Die Verwandlung 2.Das Urteil 3.Auf der Galerie 4.Ein Landarzt 5.Vor dem Gesetz

asked by Lulu on September 23, 2009
69. ## science

I really need help with science and this is the questin reason for blank because earth is titled 23 1/2 from a line perpendicular to it's orbit,the legth of daylight varies and because of the angle at which the sun's energy strikes a given location through

asked by zamynee on December 11, 2013
70. ## Science

4. Which geographic feature marks the last natural obstacle for Georgia's rivers on their way to the Atlantic Ocean? A) the Floridian Aquifer B) the Vally and Ridge region C) the fall line D) the Marshes of Glynn I got A but I'm not sure if it's right

asked by SarA on August 19, 2015
71. ## English-Literature

In the poem Catching up with Flanner O'Connor, in line 1 the use of the word "squalled" helps to? A. Illuminate a solution B. Describe crying C. Characterize a relationship D. Predict an event E. Forshawdow the weather

asked by Victoria on July 27, 2010
72. ## English

Which of the following sentences uses a preposition properly? A. Connor waited in line while Ava parked the car. B. Where is David at? C. There was a big argument between Megan, Abira, and Lena. D. I might of lent him the book, if he had asked

asked by Angel on June 26, 2012
73. ## Effective Learning Environment

Which of the following manipulative materials would be an example of a self-correcting material? A. Shaker jars to match by sound B. A number-line puzzle C. A jar of buttons to classify D. Tweezers and pompoms to sort my answer is a.

asked by Priscila on February 7, 2017
74. ## Math

Which of these phrases best describes a polynomial? a. a decimal that is non-terminating or non-repeating b. an algebraic expression containing one or more terms c. a close-planed figure formed by three or more line segments d. a number greater than one

asked by Angie on February 11, 2009
75. ## Math

Simplify the exponential expression. Assume the variables represent nonzero real numbers. (2^-1 x^-5 y^-5)^-2 (2x^-2 y^4)^-2(4x^-2 y^4)^0 ______________________________________ (2x^-5 y^-5)^2 the line by the way means to divide. i have no idea how to solve

asked by Jake on January 28, 2009
76. ## physics

Three negative charges -1uC,-2uC and -3uC are placed at the corners of equilateral triangle. If the length of each side is 1m, find the magnitude and direction of electric field bisecting the line between the charge q1 and q3.

asked by Mahi on August 28, 2017
77. ## Econ question trade part 2

i posted this question yesterday. but i also got another questions This is the chart Canada produces 50 wheat and 20 Microchips Jpn produces 2 wheat and 12 Microships the original question was 1. If the terms of trade changed to 2 microships for one tonne

asked by tofu on February 12, 2007
78. ## Physics

A 50g tennis ball is thrown with a velocity of 12 m/s. It strikes a wall and rebounds with a velocity of 10 m/s. a) What is the ball's initial and final momentum? b) what is the impulse on the ball? c) Thje ball is in contact with the wall for .10 second.

asked by Jack on April 15, 2013
79. ## physics

A 64.0 kg person stands on a lightweight diving board supported by two pillars, one at the end of the board, the other 1.20 m away from the end. The pillar at the end of the board exerts a downward force of 829 N. How far from the pillar at the end of the

asked by micole on May 31, 2007
80. ## Math

This problem is really confusing, I have been trying and I can't get the answer, can you help me? An Afternoon event was a race through the park. The race started at the point with the coordinates of (2,3). The first turn was at (2,6), the second turn was

asked by Robert on May 6, 2007
81. ## Physics 6A

A jet pilot takes his aircraft in a vertical loop. If the jet is moving at a speed of 1100 at the lowest point of the loop: A)Determine the minimum radius of the circle so that the centripetal acceleration at the lowest point does not exceed 5.5 's

asked by Daisy on May 9, 2012
82. ## english - revision

My instructor suggested that I simplify the essay, so I can easily get my point across. Meanwhile, the feedback received from my peer reviewer was valid and will help me better my expository essay. The things that I will put in practice are the following:

asked by rose on March 30, 2008
83. ## Social Studies

Why did many Americans feel that the result of the 1824 election was fraudulent? (1 point) New laws were enacted requiring voting men to own property, so many lost their right to vote; this resulted in a very low turnout of voters.Because no one received a

asked by help on October 15, 2017
84. ## physics graphing help please

(a) Write the equation for a transverse sinusoidal wave with a maximum amplitude of 2.5 cm and an angular frequency of 2.9 rad/s that is moving along the positive x-direction with a wave speed that is 5.00 times as fast as the maximum speed of a point on

asked by Trace on February 9, 2011
85. ## Math

Paul was given this math problem on a test to simplify: 1/4 + (5/8 + 1/2). after calculating, Paul mistakenly simplified to 9/32 as his final answer In which step did Paul make his first error? Show your work! My work Paul's work 1/4 /9/8 1/4 /(5/8 + 4/8)

asked by Steve B on September 23, 2015
86. ## Physic 30

INFORMATION: Kathy and Bill collided at an intersection. The police learned the mass of the truck is 3200 kg and the mass of the car is 2800 kg. Based on the length of the skid marks at the scene and the mass of the vehicles, police estimate that the

asked by Tori on April 3, 2013
87. ## AP Chemistry

A 25.0g sample of glucose, C6H12O6, dissolves in 525mL of distilled water. a. what is the boiling point elevation of the solution over the pure solvent? b. At what temperature will the solution boil at sea level? --- I'm not a fan of these types of

asked by Nikki on November 23, 2009
88. ## 8th Grade pre Algebra : HELP!

I usually don't post questions on here but Hell, I mind as well go for it. I was sick and now I'm behind, confused, and failing so any help is much appreciated. 3. Which number is equal to 5^3? A. 15 B. 100 C. 125 D. 150 4. What is the squaee root of 25/64

asked by Drellatrix on December 6, 2015
89. ## English

I urgently need your help to find the proper words. Thank you. 1) Thank you very much for answering my email. I hope you don't mind me writing in English (to you) instead of German. Feel free to answer in German. 2)I'm very pleased to start working with

asked by Henry2 on November 30, 2011
90. ## islam

Muslims expert in falaq have produced salat timetables for the convenience of the ummah. 1.Generally how accurate is the timetable? 2. If, say for example the error is about 5minutes. The time for asr is 430 pm. Is it then possible to take the prayer time

asked by shahizah on June 1, 2012
91. ## Physics

You wonder what would happen if you fired a 9.109e-31kg particle moving at 20 m/s in the x direction of a 1.672e-24kg particle moving at 12 m/s at 110 degrees from the x direction. The lighter particle hits the screen at a 100 degree angle from the x

asked by Michelle on May 2, 2014
92. ## physics

The driver of a truck slams on the brakes when he sees a tree blocking the road. The truck slows down uniformly with acceleration −5.80 m/s2 for 4.20 s, making skid marks 57.2 m long that end at the tree. With what speed does the truck then strike the

asked by kdberg on October 3, 2015
93. ## chem

help with this problem pease Metal Specific Heat (J/g-C) Al (s) 0.900 Au(s) 0.129 Cu(s) 0.385 Fe(s) 0.444 Hg(l) 0.139 H2O(l) 4.184 C2H5OH(l) 2.46 A piece of metal at a temp of 101.0oC and a mass of 86.0 g is dropped into a beaker of water containing 75.0

asked by amber on October 23, 2010
94. ## chem class

Our teacher told us we had to do problems on our final on Delta G and S...? all he said is we'd have to plug in numbers from a list and solve. but im very confused. but the numbers he gave in the example are different from my book, is there soemthing we

asked by ben on December 13, 2010
95. ## Math

A pentagon is formed by putting together three identical equilateral triangles and one larger equilateral triangle with length of edge equal to 2 times that of the smaller equilateral triangle. If the perimeter of the smaller triangle is 42 cm, what is the

asked by Cindy on April 13, 2007
96. ## help~MATHS

Let S be the set of {(1,0),(0,1),(1,1),(1,−1),(−1,1)}-lattice path which begin at (1,1), do not use the same vertex twice, and never touch either the x-axis or the y-axis. Let Px,y be the number of paths in S which end at the point (x,y). Determine

asked by SOmebody on May 23, 2013
97. ## sd224

Let S be the set of {(1,0),(0,1),(1,1),(1,−1),(−1,1)}-lattice path which begin at (1,1), do not use the same vertex twice, and never touch either the x-axis or the y-axis. Let Px,y be the number of paths in S which end at the point (x,y). Determine

asked by doeom on June 30, 2013
98. ## Chemistry

a 2.00 g sample of zinc was dissolved in 50.0 mL of 6.0 M HCL the final volume of solution was 50.2 mL... a. what was the concentration of Cl- after the zinc was dissolved?? b. what was the concentration of hydrogen ion after the zinc was dissolved??

asked by Anne on October 25, 2012
99. ## Science

Which choice most accurately explains what happens to the bonds between atoms when water changes to steam, and what becomes of the energy added during this phase change? A. When water changes to steam bonds between molecules break apart. After reaching the

asked by Dean on April 2, 2019
100. ## History

Which options accurately describe the actions by individual leaders that shaped the Korean conflict? (select all that apply) a. Stalin was opposed to getting the Soviets involved in a military dispute with the United States and its allies so soon after

asked by Quinn on April 10, 2018